CN101819440A - In-the-loop simulation test system for electronic parking brake system - Google Patents
In-the-loop simulation test system for electronic parking brake system Download PDFInfo
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- CN101819440A CN101819440A CN 201010132475 CN201010132475A CN101819440A CN 101819440 A CN101819440 A CN 101819440A CN 201010132475 CN201010132475 CN 201010132475 CN 201010132475 A CN201010132475 A CN 201010132475A CN 101819440 A CN101819440 A CN 101819440A
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Abstract
The invention discloses an in-the-loop simulation test system for an electronic parking brake system, which comprises a computer, a data acquisition card, a high-speed CAN card, a hardware interface circuit, a pressure sensor, an electronic parking brake system controller and an electronic parking brake actuating mechanism. Various kinds of information are input by the computer, test software simulates actual automotive parameters according to the input parameters, the information is sent to the electronic parking system controller through the high-speed CAN card and the data acquisition card, the electronic parking brake system controller controls the actions of the actuating mechanism, an indicator lamp and an alarm and feeds the actions back to the computer through an actuating mechanism test system and the data acquisition card, and thus, a closed-loop test system is formed. The in-the-loop simulation test system for the electronic parking brake system has the advantages that: the analog simulation efficiency is high; the adjustment period of the EPB operation environment is short, simple and low in cost; the program parameters can be changed at any time according to the different vehicle models; and the application range is wide; and the development cycle is short and the unnecessary resource waste is reduced.
Description
Technical field
The invention belongs to the commissioning device technical field of motor vehicle electronic parking braking system, specifically, relate to a kind of be used for electronic brake system the ring emulation test system.
Background technology
At present, what adopt on most of motor vehicles is traditional mechanical formula parking braking system, for security and the comfortableness that improves motor vehicle, makes the driver can have an opportunity to enjoy the improvement that modern technologies bring automotive safety convenience and comfort property.The automaker of some developed countries takes up to research and develop motor vehicle electronic parking braking system (EPB:Electrical ParkBrake) now, electronic brake system is the part of parking braking technology, replace traditional parking brake braking by electronically controlled Parking, improve the safety and the comfortableness of vehicle.
Electronic brake system mainly is made up of left and right back caliper and ECU (Electrical Control Unit) that reduction gearing mechanism and motor are housed, this system electric-controlled unit and entire car controller LAN (Local Area Network) (CAN) communication, to about afterwards the motor on the clamp control.When the needs parking braking, the EPB button is pressed, and the push-botton operation signal is input to ECU (Electrical Control Unit), by the work of ECU (Electrical Control Unit) control driven by motor planetary gear reducing mechanism, to about the back caliper implement braking.EPB also has automatic control function, and automatic control function commonly used has two kinds.A kind of is system when stopping, and jointly controls motor by car load CAN and this system electric-controlled unit, to about the back caliper implement to brake.Another kind is that the gradient is sailed out of, and on the slope, during vehicle start, when motor torque reached the starting moment of torsion, EPB ECU (Electrical Control Unit) control left and right sides trailing wheel caliper unclamped it automatically, and vehicle sails out of automatically.
Electronic brake controller (being called for short EPB-ECU) has complicated hardware circuit and software logic, and need a large amount of parameters in its course of work (as engine speed, moment of torsion, signals such as wheel speed, gear, clutch coupling, detent), test it in its development phase.In the prior art, when the electronic brake controller that is in the development phase is tested, the electronic brake controller must be installed on the real vehicle, set up a real real vehicle running environment by real vehicle for the electronic brake controller, test by the real vehicle test macro again.There are many technical matterss in such prior art:
1, adopt the test mode of prior art, can prolong the electronic brake controller construction cycle greatly, increase expense expenditure also can be wasted lot of manpower and material resources;
2, adopt the test mode of prior art, need different operating mode, the road conditions of real vehicle simulation, cause obtaining the inefficiency of correlation parameter;
3, adopt the mode of testing on the existing real vehicle, can't adjust fast the electronic brake device.
4, adopt the test mode of prior art, electronic brake system be installed to back on the real vehicle to the measurement of some parameters of clamp also become very difficult, this is worthless.
Summary of the invention
Technical scheme provided by the invention technical matters to be solved is, the test mode of prior art can prolong the electronic brake controller construction cycle greatly, and increase expense expenditure also can be wasted lot of manpower and material resources; Cause obtaining the inefficiency of correlation parameter; Can't adjust fast the electronic brake device; The technical matterss such as difficulty that the measurement of clamp parameter is become, and provide a kind of be used for electronic brake system at the ring emulation test system.
Technical scheme provided by the present invention is, a kind of be used for electronic brake system the ring emulation test system, described the ring emulation test system form by computing machine, data collecting card, high-speed CAN card, hardware interface circuit, pressure transducer, electronic brake system controller, electronic brake system actuator etc.; Described hardware interface circuit one side links to each other with described computing machine with the high-speed CAN card by described data collecting card, and opposite side links to each other with described electronic brake system controller; Described electronic brake system controller one side connects described hardware interface circuit, and opposite side links to each other with described electronic brake system actuator; Described electronic brake system actuator one side connects described electronic brake system controller, and opposite side links to each other with described pressure transducer; Described pressure transducer one side connects electronic brake system actuator, and opposite side links to each other with described hardware interface circuit, forms closed loop circuit.
Informations parameter such as the ignition switch of automobile, detent, clutch coupling, air throttle, pavement behavior are imported described computing machine, the parameter of the testing software utilization input in the described computing machine, the parameter of the engine of artificial actual automobile, variator, brake system, and by fanout output artificial intelligence parameter; By high-speed CAN card and data collecting card above-mentioned artificial intelligence parameter is input to described hardware interface circuit, described hardware interface circuit sends to the electronic brake system controller with the information that receives again, and described electronic brake system controller sends control signal according to above-mentioned information; Described electronic brake system controller output end links to each other with the electronic brake system actuator input end, after described electronic brake system actuator is received the control signal of being sent by the electronic brake system controller, described electronic brake system actuator, pilot lamp and alarm action feed back to computing machine by topworks's test macro, data collecting card simultaneously and constitute closed loop test system.
Described hardware interface circuit is made up of power supply processing module and signal condition module, described power supply processing module is converted to the various power supplys that emulation test system needs with civil power, gives signaling conversion circuit, electronic brake system controller, electronic brake system actuator and pressure transducer power supply; Described signal condition module converts motor current signal to voltage signal and uses for capture card, and the level between data collecting card and the electronic brake system controller is mated.
Described electronic brake system controller is actual electronics parking control system controller, and can change the control strategy of controller in the process of test.
Described testing software comprises compositions such as data input module, data disaply moudle, data recordin module, engine parameter computing module, transmission parameters computing module and brake system parameter calculating module, passes through the data bus shared data of software inhouse between above-mentioned each module.
Adopt technical scheme provided by the present invention, can effectively solve in the prior art and prolong the electronic brake controller construction cycle greatly, increase expense expenditure also can be wasted lot of manpower and material resources; Cause obtaining the inefficiency of correlation parameter; Can't adjust fast the electronic brake device; Technical matterss such as clamp parameter measurement difficulty; The technical matters that overcomes of the present invention is the various data will be by computing machine and relevant integrated circuit board and the operation of the real vehicle of testing software emulation flexibly the time, and the real vehicle data that electronic brake system is needed send to EPB-ECU by integrated circuit board.Form the working environment of EPB-ECU, and can under this environment, debug and performance test, and can evaluate and optimize control strategy to the software and hardware of EPB-ECU.Simultaneously, technical scheme provided by the present invention compared with prior art also has following technological merit and effect:
Native system is compared with the real vehicle test has following characteristics:
1, high-level efficiency analog simulation, and simulation scenarios is complete, can change ignition switch, detent, clutch coupling, air throttle, the pavement behavior information of model at any time by analogue system.Almost can simulate the situation that all driving can run into;
2, system uses half system in kind, and the real vehicle operational factor is undertaken by emulation, and the topworks of EPB system and ECU adopt in kind, does not have too big deviation with the result of test run test and the result of emulation like this, more reaches unanimity;
3, the cycle that EPB running environment is adjusted is short, easy, expense is little, can be according to different vehicles reprogramming parameter at any time, and usable range is wide;
4, accelerated the Products Development progress, reduced the unnecessary wasting of resources.
Description of drawings
In conjunction with the accompanying drawings, the present invention is further illustrated:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is for realizing software flow pattern of the present invention;
Wherein, 1 is computing machine; 2 is data collecting card; 3 is the high-speed CAN card; 4 is hardware interface circuit; 5 is the electronic brake system controller; 6 is electronic brake topworks; 7 is pressure transducer; 8 is data input module; 9 is data disaply moudle; 10 is data recordin module; 11 is the engine parameter computing module; 12 is the transmission parameters computing module; 13 is the brake system parameter calculating module.
Embodiment
Technical scheme provided by the invention is the emulation test system of design one cover electronic brake system, and system is made up of computing machine 1, data collecting card 2, high-speed CAN card 3, hardware interface circuit 4, pressure transducer 7, electronic brake system controller 5, electronic brake topworks 6.
Import ignition switch, detent, clutch coupling, air throttle, the pavement behavior information of automobile during work by computing machine 1, the parameter of the testing software utilization input in the computing machine 1, the parameter of the engine of artificial actual automobile, variator, brake system, and information is sent to electronic brake system controller 5 by high-speed CAN card 3 and data collecting card 2, electronic brake system controller 5 control executing mechanism and pilot lamp, alarm move, and feed back to computing machine formation closed loop test system by topworks's test macro, data collecting card 2.
Electronics parking system controller is actual electronics parking control system controller, and can change the control strategy of controller in the process of test.
Testing software has a plurality of modules.Comprise data input module 8, data disaply moudle 9, data recordin module 10, engine parameter computing module 11, transmission parameters computing module 12 and brake system parameter calculating module 13, pass through the data bus shared data of software inhouse between each module.
EPB is at ring emulation test system structural drawing as shown in Figure 1, and system is made up of computing machine 11, data collecting card 22, high-speed CAN card 33, hardware interface circuit 44, pressure transducer 77, electronic brake system controller 55, electronic brake topworks 66.
Wherein data collecting card 22 is the usb data capture card of NI, and high-speed CAN card 3 uses the USB-CAN card of NI, connects by usb bus between two cards and the computing machine 1.Because data collecting card 2 can not directly be gathered current parameters, and the working current of our pressure transducer 7, EPB system all is a current signal, this just need be converted to voltage signal to current signal by hardware interface circuit 44 and use for data collecting card 2.Because the voltage of 0-5V only can be imported/be gone out to data collecting card 2, and pilot lamp, the alarm lamp signal of the EPB switch of EPB controller input, ignition signal and its output are the switching value of 12V, and this also needs to change by hardware interface circuit 4.Hardware interface circuit 4 provides power supply also will for whole low-pressure system simultaneously.
As Fig. 2 is the system software workflow diagram, wherein:
Information such as the duty of A, E transmission EPB-ECU, operational factor, failure code
B transmits engine speed moment of torsion, the speed of a motor vehicle, wheel speed, solar term, clutch coupling, detent, the gear of emulation testing software output.
C transmits pilot lamp, the warning of EPB-ECU output, controller consumption electric current, pressure transducer 7 signals.
D transmits ignition signal, EPB switching signal
F transmits required engine speed moment of torsion, the speed of a motor vehicle, wheel speed, solar term, clutch coupling, detent, the gear signal of EPB-ECU work, EPB switching signal, ignition signal.
G transmits the drive signal of EPB-ECU
H transmits the current signal of EPB topworks feedback
I transmits the clamping force of topworks's clamp
J transmits the pressure signal of pressure transducer 7
Fig. 2 is the system software process flow diagram, and this is the whole test system core, and its course of work is as follows:
1, connects system's external hardware, open working power.
2, open system test software, import the operation information (ignition switch of automobile, detent, clutch coupling, air throttle, pavement behavior information) of the automobile of emulation needs by the operation interface of testing software.
3, testing software sends to ECU by data collecting card 2 and high-speed CAN card 3 with the automobile parameter (engine speed moment of torsion, the speed of a motor vehicle, wheel speed, solar term, clutch coupling, detent, gear signal, EPB switching signal, ignition signal etc.) that calculates.
4, treat the operation signal of control EPB operating switch behind the various parameter stabilities of automobile or automobile.
5, the current measurement circuit by pressure transducer 7 and hardware interface circuit 4 records system and steps up power and working current size, and feeds back to testing software by capture card, and then measures the function and the performance of EPB system
6, by the evaluation of the function of system and performance is optimized modification to the software and hardware of system, and then emulation, so circulation.
Claims (5)
- One kind be used for electronic brake system the ring emulation test system, it is characterized in that, described the ring emulation test system form by computing machine (1), data collecting card (2), high-speed CAN card (3), hardware interface circuit (4), pressure transducer (7), electronic brake system controller (5), electronic brake system actuator (6) etc.;Described hardware interface circuit (4) one sides link to each other with described computing machine (1) with high-speed CAN card (3) by described data collecting card (2), and opposite side links to each other with described electronic brake system controller (5);Described electronic brake system controller (5) one sides link to each other with described hardware interface circuit (4), and opposite side links to each other with described electronic brake system actuator (6);Described electronic brake system actuator (6) one sides connect described electronic brake system controller (5), and opposite side links to each other with described pressure transducer (7);Described pressure transducer (7) one sides connect electronic brake system actuator (6), and opposite side links to each other with described hardware interface circuit (4), form closed loop circuit.
- 2. according to claim 1 a kind of be used for electronic brake system the ring emulation test system, it is characterized in that:Informations parameter such as the ignition switch of automobile, detent, clutch coupling, air throttle, pavement behavior are imported described computing machine (1), the parameter of the testing software utilization input in the described computing machine (1), the parameter of the engine of artificial actual automobile, variator, brake system, and by computing machine (1) output terminal output artificial intelligence parameter;By high-speed CAN card (3) and data collecting card (2) above-mentioned artificial intelligence parameter is input to described hardware interface circuit (4), described hardware interface circuit (4) sends to the information that receives electronic brake system controller (5) again, and described electronic brake system controller (5) sends control signal according to above-mentioned information;Described electronic brake system controller (5) output terminal links to each other with electronic brake system actuator (6) input end, after described electronic brake system actuator (6) is received the control signal of being sent by electronic brake system controller (5), described electronic brake system actuator (6), pilot lamp and alarm action feed back to computing machine by topworks's test macro, data collecting card (2) simultaneously and constitute closed loop test system.
- 3. according to claim 1 and 2 a kind of be used for electronic brake system the ring emulation test system, it is characterized in that, described hardware interface circuit (4) is made up of power supply processing module and signal condition module, described power supply processing module is converted to the various power supplys that emulation test system needs with civil power, gives signaling conversion circuit, electronic brake system controller (5), electronic brake system actuator (6) and pressure transducer (7) power supply; Described signal condition module converts motor current signal to voltage signal and uses for capture card, and the level between data collecting card (2) and the electronic brake system controller (5) is mated.
- 4. according to claim 3 a kind of be used for electronic brake system the ring emulation test system, it is characterized in that, described electronic brake system controller (5) is actual electronics parking control system controller, and can change the control strategy of controller in the process of test.
- 5. according to claim 4 a kind of be used for electronic brake system the ring emulation test system, it is characterized in that, described testing software comprises data input module (8), data disaply moudle (9), data recordin module (10), engine parameter computing module (11), transmission parameters computing module (12) and brake system parameter calculating module compositions such as (13), passes through the data bus shared data of software inhouse between above-mentioned each module.
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| CN201010132475A CN101819440B (en) | 2010-03-22 | 2010-03-22 | In-the-loop simulation test system for electronic parking brake system |
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| CN201010132475A CN101819440B (en) | 2010-03-22 | 2010-03-22 | In-the-loop simulation test system for electronic parking brake system |
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| CN101819440B CN101819440B (en) | 2012-10-24 |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923109A (en) * | 2011-08-08 | 2013-02-13 | 上海双杰科技有限公司 | Control method of electronic parking brake system |
| CN103198168A (en) * | 2012-01-10 | 2013-07-10 | 上海汽车集团股份有限公司 | Off-line simulation method |
| CN103576560A (en) * | 2013-11-06 | 2014-02-12 | 镇江长江汽车配件有限公司 | Semi-physical simulation system and method for electronic parking braking control |
| CN103645433A (en) * | 2013-11-12 | 2014-03-19 | 陕西国力信息技术有限公司 | Throttle-valve driver-board detection method based on AMT |
| CN103699035A (en) * | 2013-12-16 | 2014-04-02 | 武汉理工大学 | Signal matching method and signal matching device for vehicle engine hardware-in-loop simulation process |
| CN103728975A (en) * | 2014-01-21 | 2014-04-16 | 吉林大学 | Road slope simulation test stand for hardware-in-the-loop test of electrical park brake system |
| CN103775633A (en) * | 2014-02-20 | 2014-05-07 | 湖北航天技术研究院特种车辆技术中心 | Controller detecting system of automatic transmission |
| CN105652690A (en) * | 2016-01-13 | 2016-06-08 | 重庆长安汽车股份有限公司 | In-loop test system and method for automatic parking system vehicle |
| CN107908180A (en) * | 2017-12-18 | 2018-04-13 | 北京群源电力科技有限公司 | A kind of signal regulating device and method for dcs test |
| CN108646713A (en) * | 2018-05-24 | 2018-10-12 | 广东戈兰玛汽车系统有限公司 | Based on CANoe to the analogue system of P grades of director demon logic checkings |
| CN110032084A (en) * | 2019-03-22 | 2019-07-19 | 中国第一汽车股份有限公司 | A kind of emulation and test method of electronic parking system function mode |
| CN110275512A (en) * | 2019-06-28 | 2019-09-24 | 安徽江淮汽车集团股份有限公司 | A kind of test method, device, system and the storage medium of PEPS function logic |
| CN111766078A (en) * | 2019-03-31 | 2020-10-13 | 上海华依科技集团股份有限公司 | Test system and test method for reliability test of electronic parking mechanism |
| CN112859803A (en) * | 2021-01-04 | 2021-05-28 | 中车青岛四方车辆研究所有限公司 | Detection equipment and health state evaluation method for bicycle brake control device |
| CN113671927A (en) * | 2020-05-15 | 2021-11-19 | 武汉辅安科技有限公司 | Hardware-in-loop testing device and method for electronic parking system controller of commercial vehicle |
| CN114537354A (en) * | 2022-02-08 | 2022-05-27 | 合肥远康信息技术有限公司 | Intelligent bus emergency alarm intelligent parking system |
| CN114721351A (en) * | 2022-03-31 | 2022-07-08 | 中汽创智科技有限公司 | Electronic parking brake controller testing method and system |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923109A (en) * | 2011-08-08 | 2013-02-13 | 上海双杰科技有限公司 | Control method of electronic parking brake system |
| CN103198168A (en) * | 2012-01-10 | 2013-07-10 | 上海汽车集团股份有限公司 | Off-line simulation method |
| CN103198168B (en) * | 2012-01-10 | 2016-12-14 | 上海汽车集团股份有限公司 | A kind of off-line simulation method |
| CN103576560A (en) * | 2013-11-06 | 2014-02-12 | 镇江长江汽车配件有限公司 | Semi-physical simulation system and method for electronic parking braking control |
| CN103645433A (en) * | 2013-11-12 | 2014-03-19 | 陕西国力信息技术有限公司 | Throttle-valve driver-board detection method based on AMT |
| CN103699035A (en) * | 2013-12-16 | 2014-04-02 | 武汉理工大学 | Signal matching method and signal matching device for vehicle engine hardware-in-loop simulation process |
| CN103699035B (en) * | 2013-12-16 | 2015-02-18 | 武汉理工大学 | Signal matching method and signal matching device for vehicle engine hardware-in-loop simulation process |
| CN103728975A (en) * | 2014-01-21 | 2014-04-16 | 吉林大学 | Road slope simulation test stand for hardware-in-the-loop test of electrical park brake system |
| CN103728975B (en) * | 2014-01-21 | 2016-06-08 | 吉林大学 | The road grade simulator stand of electronic brake system hardware-in the-loop test |
| CN103775633A (en) * | 2014-02-20 | 2014-05-07 | 湖北航天技术研究院特种车辆技术中心 | Controller detecting system of automatic transmission |
| CN103775633B (en) * | 2014-02-20 | 2016-03-30 | 湖北航天技术研究院特种车辆技术中心 | Automatic transmission controller detection system |
| CN105652690A (en) * | 2016-01-13 | 2016-06-08 | 重庆长安汽车股份有限公司 | In-loop test system and method for automatic parking system vehicle |
| CN107908180A (en) * | 2017-12-18 | 2018-04-13 | 北京群源电力科技有限公司 | A kind of signal regulating device and method for dcs test |
| CN107908180B (en) * | 2017-12-18 | 2023-11-10 | 北京群源电力科技有限公司 | Signal conditioning device and method for distributed control system test |
| CN108646713A (en) * | 2018-05-24 | 2018-10-12 | 广东戈兰玛汽车系统有限公司 | Based on CANoe to the analogue system of P grades of director demon logic checkings |
| CN110032084A (en) * | 2019-03-22 | 2019-07-19 | 中国第一汽车股份有限公司 | A kind of emulation and test method of electronic parking system function mode |
| CN110032084B (en) * | 2019-03-22 | 2021-11-19 | 中国第一汽车股份有限公司 | Simulation and test method for functional mode of electronic parking system |
| CN111766078A (en) * | 2019-03-31 | 2020-10-13 | 上海华依科技集团股份有限公司 | Test system and test method for reliability test of electronic parking mechanism |
| CN111766078B (en) * | 2019-03-31 | 2022-08-19 | 上海华依科技集团股份有限公司 | Test method for reliability test of electronic parking mechanism |
| CN110275512A (en) * | 2019-06-28 | 2019-09-24 | 安徽江淮汽车集团股份有限公司 | A kind of test method, device, system and the storage medium of PEPS function logic |
| CN113671927A (en) * | 2020-05-15 | 2021-11-19 | 武汉辅安科技有限公司 | Hardware-in-loop testing device and method for electronic parking system controller of commercial vehicle |
| CN112859803A (en) * | 2021-01-04 | 2021-05-28 | 中车青岛四方车辆研究所有限公司 | Detection equipment and health state evaluation method for bicycle brake control device |
| CN114537354A (en) * | 2022-02-08 | 2022-05-27 | 合肥远康信息技术有限公司 | Intelligent bus emergency alarm intelligent parking system |
| CN114721351A (en) * | 2022-03-31 | 2022-07-08 | 中汽创智科技有限公司 | Electronic parking brake controller testing method and system |
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| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 241000 No. 19, Taishan Road, Wuhu economic and Technological Development Zone, Anhui, China Patentee after: WUHU BOTELI AUTOMOBILE SAFETY SYSTEM CO., LTD. Address before: 241000 Taishan Road, Wuhu economic and Technological Development Zone, Anhui Patentee before: Wuhu Bethel Automotive Secure Systems Ltd. |